GENERAL DESCRIPTION The MT28F128J3 is a nonvolatile, electrically block erasable (Flash), programmable memory containing 134,217,728 bits organized as 16,777,218 bytes (8 bits) or 8,388,608 words (16 bits). This 128Mb device is organized as one hundred twenty-eight 128KB erase blocks. The MT28F640J3 contains 67,108,864 bits organized as 8,388,608 bytes (8 bits) or 4,194,304 words (16 bits). This 64Mb device is organized as sixty-four 128KB erase blocks. Similarly, the MT28F320J3 contains 33,554,432 bits organized as 4,194,304 bytes (8 bits) or 2,097,152 words (16 bits). This 32Mb device is organized as thirty-two 128KB erase blocks. These three devices feature in-system block locking. They also have common flash interface (CFI) that permits software algorithms to be used for entire families of devices. The software is device-independent, JEDEC ID-independent with forward and backward compatibility. FEATURES • x8/x16 organization • One hundred twenty-eight 128KB erase blocks (128Mb) Sixty-four 128KB erase blocks (64Mb) Thirty-two 128KB erase blocks (32Mb) • VCC, VCCQ, and VPEN voltages: 2.7V to 3.6V VCC operation 2.7V to 3.6V or 4.5V to 5.5V* VCCQ operation 2.7V to 3.6V, or 5V VPEN application programming • Interface Asynchronous Page Mode Reads: 150ns/25ns read access time (128Mb) 120ns/25ns read access time (64Mb) 110ns/25ns read access time (32Mb) • Enhanced data protection feature with VPEN = VSS Flexible sector locking Sector erase/program lockout during power transition • Security OTP block feature Permanent block locking (Contact factory for availability) • Industry-standard pinout • Inputs and outputs are fully TTL-compatible • Common Flash Interface (CFI) and Scalable Command Set • Automatic write and erase algorithm • 4.7µs-per-byte effective programming time using write buffer • 128-bit protection register 64-bit unique device identifier 64-bit user-programmable OTP cells • 100,000 ERASE cycles per block • Automatic suspend options: Block Erase Suspend-to-Read Block Erase Suspend-to-Program Program Suspend-to-Read
|